National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

72°F

22°C

Humidity 44%
Wind Speed SW 17 G 29 mph
Barometer 30.10 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Mar 1:35 pm EDT
Extended Forecast for

4 Miles SE Knoxville TN

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Southwest wind around 10 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 78. Southwest wind around 5 mph. Chance of precipitation is 30%.

    High: 78 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 57. Southwest wind around 5 mph.

    Low: 57 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 83. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70. West wind around 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 56. Southwest wind around 10 mph.
Saturday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 78. Southwest wind around 5 mph. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 57. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 83. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 61. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 70. West wind around 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 48.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 66.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Knoxville TN
 35.93°N 83.89°W (Elev. 1001 ft)
Last Update:
1:06 pm EDT Mar 20, 2026
Forecast Valid:
1pm EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation